Method for manufacturing touch input device and touch input device

Abstract

A method for manufacturing a touch input device may be provided. The method includes: a display forming step of forming a flexible display for a plurality of display devices on one carrier substrate, cutting the flexible display into individual pieces, and separating the flexible display from the carrier substrate; a pressure sensor forming step of forming a pressure sensor for the plurality of display devices on one substrate for the pressure sensor and cutting the substrate for the pressure sensor into individual pieces; and an adhering step of adhering the separated flexible display to the substrate for the pressure sensor, which has been cut into individual pieces. According to the embodiment of the present invention, the pressure sensor can be easily implemented on the flexible display.

What is claimed is: 
     
       1. A method for manufacturing touch input devices, the method comprising:
 a display forming step of forming, on a single carrier substrate, a flexible display for each of a plurality of display devices, cutting the flexible display into individual pieces, and separating the flexible display from the carrier substrate; 
 a pressure sensor forming step of forming, under a single substrate, a pressure sensor for each of the plurality of display devices and cutting the substrate for the pressure sensor into individual pieces; and 
 an adhering step of adhering each of the individual pieces of the separated flexible display to an individual piece of the substrate for the pressure sensor; 
 wherein the substrate for the pressure sensor is not relatively easily bent as compared to the flexible display. 
 
     
     
       2. The method of  claim 1 , wherein the display forming step comprises:
 forming a second substrate layer on the carrier substrate; 
 forming an organic material layer on the second substrate layer; 
 forming a first substrate layer on the organic material layer; 
 cutting the flexible display comprising the first substrate layer, the organic material layer, and the second substrate layer into individual pieces; and 
 separating the cut flexible display from the carrier substrate by irradiating laser. 
 
     
     
       3. The method of  claim 1 , wherein the pressure sensor comprises a pressure electrode capable of detecting a touch pressure on the basis of a capacitance change amount according to the touch pressure on the touch input device. 
     
     
       4. The method of  claim 1 , wherein the pressure sensor comprises a strain gauge capable of detecting a touch pressure on the basis of a change of a resistance value due to the touch pressure on the touch input device. 
     
     
       5. The method of  claim 1 , further comprising disposing a light shielding layer for shielding the pressure sensor from light. 
     
     
       6. The method of  claim 1 , wherein a light shielding layer for shielding the pressure sensor from light is formed under the single substrate and adjacent the pressure sensor. 
     
     
       7. The method of  claim 1 , wherein a light shielding layer for shielding the pressure sensor from light is formed under the single substrate and between the pressure sensor and the single substrate. 
     
     
       8. The method of  claim 1 , wherein a light shielding layer for shielding the pressure sensor from light is formed under the single substrate and not adjacent the single substrate. 
     
     
       9. A touch input device comprising:
 a cut flexible display which is cut into individual pieces for a plurality of display devices and is separated from a carrier substrate; 
 a cut substrate for a pressure sensor, which is cut into individual pieces for the plurality of display devices and has the pressure sensor formed thereon; and 
 an adhesive which adheres the separated cut flexible display to the substrate for the pressure sensor, which is cut into individual pieces; 
 wherein the cut substrate for the pressure sensor is not relatively easily bent as compared to the flexible display. 
 
     
     
       10. The touch input device of  claim 9 , wherein the cut flexible display is formed by
 forming a second substrate layer on the carrier substrate; 
 forming an organic material layer on the second substrate layer; 
 forming a first substrate layer on the organic material layer; 
 cutting the flexible display comprising the first substrate layer, the organic material layer, and the second substrate layer into individual pieces; and 
 separating the cut flexible display from the carrier substrate by irradiating laser. 
 
     
     
       11. The touch input device of  claim 9 , wherein the pressure sensor comprises a pressure electrode capable of detecting a touch pressure on the basis of a capacitance change amount according to the touch pressure on the touch input device. 
     
     
       12. The touch input device of  claim 9 , wherein the pressure sensor comprises a strain gauge capable of detecting a touch pressure on the basis of a change of a resistance value due to the touch pressure on the touch input device. 
     
     
       13. The touch input device of  claim 9 , further comprising a light shielding layer for shielding the pressure sensor from light. 
     
     
       14. A method for manufacturing a touch input device, the method comprising:
 a step of forming, on a single carrier substrate, a flexible display for each of a plurality of display devices; 
 a step of separating the flexible display from the carrier substrate; 
 a step of forming, under a single substrate, a pressure sensor for each of the plurality of display devices; 
 a step of adhering the separated flexible display to the substrate for the pressure sensor; and 
 a step of cutting the substrate for the pressure sensor and the flexible display which have been adhered to each other into individual pieces; 
 wherein the substrate for the pressure sensor is not relatively easily bent as compared to the flexible display. 
 
     
     
       15. The method of  claim 14 , wherein the pressure sensor comprises a pressure electrode capable of detecting a touch pressure on the basis of a capacitance change amount according to the touch pressure on the touch input device. 
     
     
       16. The method of  claim 14 , wherein the pressure sensor comprises a strain gauge capable of detecting a touch pressure on the basis of a change of a resistance value due to the touch pressure on the touch input device. 
     
     
       17. The method of  claim 14 , further comprising disposing a light shielding layer for shielding the pressure sensor from light. 
     
     
       18. The method of  claim 14 , wherein a light shielding layer for shielding the pressure sensor from light is formed under the single substrate and adjacent the pressure sensor.